Solis S5-GR3P15K Three-Phase Inverter 15 kW

The Solis S5-GR3P15K is a three-phase grid-tied inverter rated at 15 kW AC output, designed for residential and small commercial PV systems. It features two independent MPPT trackers with four input strings, wide DC voltage range (160–1000 V), and a maximum efficiency of 98.6%. The inverter includes integrated AFCI (arc-fault circuit protection) to reduce fire risk and automatic voltage stabilization technology for operation in weak grid conditions.

Key specifications include a maximum input power of 22.5 kW, maximum input current of 32 A, and maximum output current of 23.8 A. The unit is IP66-rated and uses transformerless topology with intelligent redundant fan cooling. Communication options include RS485 with optional Wi-Fi, GPRS, or LAN connectivity via data logger. The inverter complies with relevant grid connection standards and supports export power control.

Dimensions are 310 × 563 × 219 mm with a weight of 18.8 kg. Operating temperature range is −25 to +60 °C, and the unit is rated for operation up to 4000 m altitude. A 5-year manufacturer warranty is standard.